From: Aleksander Ɓukasz Date: Wed, 6 Nov 2013 09:59:17 +0000 (+0100) Subject: Only one assignment record per user X-Git-Url: https://git.mdrn.pl/edumed.git/commitdiff_plain/a5255a7dad7389d26a90a72072e8c39cfe5e469e Only one assignment record per user --- diff --git a/wtem/migrations/0004_auto__add_unique_assignment_user.py b/wtem/migrations/0004_auto__add_unique_assignment_user.py new file mode 100644 index 0000000..7730b9d --- /dev/null +++ b/wtem/migrations/0004_auto__add_unique_assignment_user.py @@ -0,0 +1,92 @@ +# -*- coding: utf-8 -*- +import datetime +from south.db import db +from south.v2 import SchemaMigration +from django.db import models + + +class Migration(SchemaMigration): + + def forwards(self, orm): + # Adding unique constraint on 'Assignment', fields ['user'] + db.create_unique(u'wtem_assignment', ['user_id']) + + + def backwards(self, orm): + # Removing unique constraint on 'Assignment', fields ['user'] + db.delete_unique(u'wtem_assignment', ['user_id']) + + + models = { + u'auth.group': { + 'Meta': {'object_name': 'Group'}, + u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}), + 'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}) + }, + u'auth.permission': { + 'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'}, + 'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + 'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}), + u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '50'}) + }, + u'auth.user': { + 'Meta': {'object_name': 'User'}, + 'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}), + 'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}), + 'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}), + 'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}), + u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}), + 'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}), + 'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}), + 'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}), + 'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}), + 'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'}) + }, + u'contact.contact': { + 'Meta': {'ordering': "('-created_at',)", 'object_name': 'Contact'}, + 'body': ('jsonfield.fields.JSONField', [], {'default': '{}'}), + 'contact': ('django.db.models.fields.CharField', [], {'max_length': '128'}), + 'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}), + 'form_tag': ('django.db.models.fields.CharField', [], {'max_length': '32', 'db_index': 'True'}), + u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'ip': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}) + }, + u'contenttypes.contenttype': { + 'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"}, + 'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}) + }, + u'wtem.assignment': { + 'Meta': {'object_name': 'Assignment'}, + 'exercises': ('jsonfield.fields.JSONField', [], {'default': '{}'}), + u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'user': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']", 'unique': 'True'}) + }, + u'wtem.attachment': { + 'Meta': {'object_name': 'Attachment'}, + 'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}), + u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + 'submission': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['wtem.Submission']"}) + }, + u'wtem.submission': { + 'Meta': {'object_name': 'Submission'}, + 'answers': ('django.db.models.fields.CharField', [], {'max_length': '65536', 'null': 'True', 'blank': 'True'}), + 'contact': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contact.Contact']", 'null': 'True'}), + 'email': ('django.db.models.fields.EmailField', [], {'unique': 'True', 'max_length': '100'}), + 'first_name': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'key': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'}), + 'key_sent': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'last_name': ('django.db.models.fields.CharField', [], {'max_length': '100'}) + } + } + + complete_apps = ['wtem'] \ No newline at end of file diff --git a/wtem/models.py b/wtem/models.py index 90492bf..9e67ad8 100644 --- a/wtem/models.py +++ b/wtem/models.py @@ -49,7 +49,7 @@ class Attachment(models.Model): class Assignment(models.Model): - user = models.ForeignKey(User) + user = models.ForeignKey(User, unique = True) exercises = JSONField() def clean(self):